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MB3790PF 데이터 시트보기 (PDF) - Fujitsu

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MB3790PF Battery Backup IC Fujitsu
Fujitsu Fujitsu
MB3790PF Datasheet PDF : 21 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MB3790
s BLOCK DIAGRAM
V IN
CONTROL
V SENSE
GND
R ON =0.5
590K
Reference
voltage power
1.24V supply circuit
+
SQ
-
R
240K
Vth:1.5V
100
500
3 µA
SBD
2.65V
V IN
+
-
2.37V
V IN
+
-
V OUT
Vth:3V
V OUT
V OUT
ALARM1
ALARM2
RESET
RESET
CT
V BAT2 V BAT1
3
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